package com.changgou.order.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fescar.spring.annotation.GlobalTransactional;
import com.changgou.entity.Result;
import com.changgou.goods.feign.SkuFeign;
import com.changgou.order.config.RabbitMQConfig;
import com.changgou.order.dao.*;
import com.changgou.order.pojo.*;
import com.changgou.order.service.CartService;
import com.changgou.order.service.OrderItemService;
import com.changgou.order.service.OrderService;
import com.changgou.pay.feign.WxPayFeign;
import com.changgou.util.IdWorker;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import tk.mybatis.mapper.entity.Example;

import java.time.LocalDate;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderMapper orderMapper;

    @Autowired
    private CartService cartService;

    @Autowired
    private OrderItemMapper orderItemMapper;

    @Autowired
    private IdWorker idWorker;

    @Autowired
    private RedisTemplate redisTemplate;

    @Autowired
    private SkuFeign skuFeign;

    @Autowired
    private TaskMapper taskMapper;

    @Autowired
    private OrderLogMapper orderLogMapper;

    @Autowired
    private WxPayFeign wxPayFeign;

    @Autowired
    private RabbitTemplate rabbitTemplate;

    @Autowired
    private OrderConfigMapper orderConfigMapper;

    /**
     * 查询全部列表
     *
     * @return
     */
    @Override
    public List<Order> findAll() {
        return orderMapper.selectAll();
    }

    /**
     * 根据ID查询
     *
     * @param id
     * @return
     */
    @Override
    public Order findById(String id) {
        return orderMapper.selectByPrimaryKey(id);
    }


    /**
     * 增加
     *
     * @param order
     */
    @Override
    @GlobalTransactional(name = "order_add")
    public String add(Order order) {
        //1)获取所有购物项
        Map cartMap = cartService.orderItemList(order.getUsername());
        List<OrderItem> orderItemList = (List<OrderItem>) cartMap.get("OrderItemList");
        //2.统计计算:总金额,总数量
        //3）填充订单数据并保存
        order.setTotalNum((Integer) cartMap.get("totalNum"));
        order.setTotalMoney((Integer) cartMap.get("totalMoney"));
        order.setPayMoney((Integer) cartMap.get("totalMoney"));
        order.setCreateTime(new Date());
//        order.setReceiverAddress(order.getReceiverAddress());
//        order.setReceiverMobile(order);
        order.setUpdateTime(order.getCreateTime());
        order.setBuyerRate("0");        //0:未评价，1：已评价
        order.setSourceType("1");       //来源，1：WEB
        order.setOrderStatus("0");      //0:未完成,1:已完成，2：已退货
        order.setPayStatus("0");        //0:未支付，1：已支付，2：支付失败
        order.setConsignStatus("0");    //0:未发货，1：已发货，2：已收货
        String orderId = idWorker.nextId()+"";
        order.setId(orderId);
        orderMapper.insertSelective(order);
        //添加订单明细
        for (OrderItem orderItem : orderItemList) {
            orderItem.setId(idWorker.nextId() + "");
            orderItem.setIsReturn("0");
            orderItem.setOrderId(orderId);
            orderItemMapper.insertSelective(orderItem);
        }
        //库存递减
        skuFeign.decrCount(order.getUsername());

        //制造错误
        //int i = 1/0;

        //添加任务数据
        System.out.println("向订单数据库中的任务表去添加任务数据");
        Task task = new Task();
        task.setCreateTime(new Date());
        task.setUpdateTime(new Date());
        task.setMqExchange(RabbitMQConfig.EX_BUYING_ADDPOINTUSER);
        task.setMqRoutingkey(RabbitMQConfig.CG_BUYING_ADDPOINT_KEY);

        Map map = new HashMap();
        map.put("username",order.getUsername());
        map.put("orderId",orderId);
        map.put("point",order.getPayMoney());
        task.setRequestBody(JSON.toJSONString(map));
        taskMapper.insertSelective(task);
        //清除Redis缓存购物车的数据
        redisTemplate.delete("CAT_" + order.getUsername());

        rabbitTemplate.convertAndSend( "","queue.ordercreate", orderId);
        return orderId;
    }


    /**
     * 修改
     *
     * @param order
     */
    @Override
    public void update(Order order) {
        orderMapper.updateByPrimaryKey(order);
    }

    /**
     * 删除
     *
     * @param id
     */
    @Override
    public void delete(String id) {
        orderMapper.deleteByPrimaryKey(id);
    }


    /**
     * 条件查询
     *
     * @param searchMap
     * @return
     */
    @Override
    public List<Order> findList(Map<String, Object> searchMap) {
        Example example = createExample(searchMap);
        return orderMapper.selectByExample(example);
    }

    /**
     * 分页查询
     *
     * @param page
     * @param size
     * @return
     */
    @Override
    public Page<Order> findPage(int page, int size) {
        PageHelper.startPage(page, size);
        return (Page<Order>) orderMapper.selectAll();
    }

    /**
     * 条件+分页查询
     *
     * @param searchMap 查询条件
     * @param page      页码
     * @param size      页大小
     * @return 分页结果
     */
    @Override
    public Page<Order> findPage(Map<String, Object> searchMap, int page, int size) {
        PageHelper.startPage(page, size);
        Example example = createExample(searchMap);
        return (Page<Order>) orderMapper.selectByExample(example);
    }

    //修改订单状态为已支付
    @Override
    public void updatePayStatus(String orderId, String transactionId) {
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if (order!=null&&"0".equals(order.getPayStatus())){//存在订单且状态为0
            order.setPayStatus("1");
            order.setOrderStatus("1");
            order.setUpdateTime(new Date());
            order.setPayTime(new Date());
            order.setTransactionId(transactionId);//微信返回的交易流水号
            orderMapper.updateByPrimaryKeySelective(order);
            //记录订单变动日志
            OrderLog orderLog=new OrderLog();
            orderLog.setId( idWorker.nextId()+"" );
            orderLog.setOperater("system");// 系统
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOrderStatus("1");
            orderLog.setPayStatus("1");
            orderLog.setRemarks("支付流水号"+transactionId);
            orderLog.setOrderId(order.getId());
            orderLogMapper.insert(orderLog);
        }
    }

    //关闭订单
    //1）根据id查询订单信息，判断订单是否存在，订单支付状态是否为未支付
    //2）基于微信查询订单支付状态
    //2.1）如果为success，则修改订单状态
    //2.2）如果为未支付，则修改订单，新增日志，恢复库存，关闭订单
    @Override
    public void closeOrder(String orderId) {
        System.out.println("关闭订单ing："+orderId);
        //根据订单id查询订单
        Order order = orderMapper.selectByPrimaryKey(orderId);
        //判断订单是否存在
        if (order==null){
            throw new RuntimeException("订单不存在！");
        }
        //如果订单状=0表示未开启订单
        if (!order.getOrderStatus().equals("0")){
            System.out.println("此订单不用关闭");
            return;
        }
        //查询微信支付订单api
        Map queryResultMap = (Map) wxPayFeign.queryOrder(orderId).getData();
        if ("SUCCESS".equals(queryResultMap.get("trade_state"))){ //如果支付状态是成功，进行补偿
            updatePayStatus(orderId, (String) queryResultMap.get("transaction_id"));
            System.out.println("补偿机制");
        }
        if ("NOTPAY".equals(queryResultMap.get("trade_state"))){ //如果是未支付，关闭订单
            System.out.println("强行关闭!");
            order.setCloseTime(new Date());
            order.setOrderStatus("4");//关闭状态
            orderMapper.updateByPrimaryKeySelective(order);//更新
            //记录订单变动日志
            OrderLog orderLog = new OrderLog();
            orderLog.setId(idWorker.nextId() + "");
            orderLog.setOperater("system");// 系统
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOrderStatus("4");
            orderLog.setOrderId(order.getId());
            orderLogMapper.insert(orderLog);
            //恢复库存和销量
            OrderItem _orderItem = new OrderItem();
            _orderItem.setOrderId(orderId);
            List<OrderItem> orderItemList = orderItemMapper.select(_orderItem);
            for (OrderItem orderItem : orderItemList) {
                skuFeign.resumeStockNum(orderItem.getSkuId(),orderItem.getNum());
            }
            //关闭微信订单
            wxPayFeign.closeOrder(orderId);
        }
    }

    //批量发货
    @Override
    public void batchSend(List<Order> orders) {
        //判断运单号和物流公司是否为空
        for (Order order : orders) {
            if (order.getId()==null){
                throw new RuntimeException("订单号为空");
            }
            if (order.getShippingCode()==null || order.getShippingName()==null){
                throw new RuntimeException("请选择快递公司和填写快递单号");
            }
        }
        //循环订单,进行状态校验
        for (Order order : orders) {
            Order order1 = orderMapper.selectByPrimaryKey(order.getId());
            if (!"0".equals( order1.getConsignStatus()) || !"1".equals( order1.getOrderStatus())){
                throw new RuntimeException("订单状态有误！");
            }
        }
        //循环订单更新操作
        for(Order order :orders){
            order.setOrderStatus("2");//订单状态  已发货
            order.setConsignStatus("1"); //发货状态  已发货
            order.setConsignTime(new Date());//发货时间
            order.setUpdateTime( new Date());//更新时间
            orderMapper.updateByPrimaryKeySelective(order);
            //记录订单变动日志
            OrderLog orderLog=new OrderLog();
            orderLog.setId( idWorker.nextId()+"" );
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOperater( "admin" );//系统管理员
            orderLog.setOrderStatus("2"); //已完成
            orderLog.setConsignStatus( "1" );//发状态（0未发货 1已发货）
            orderLog.setOrderId(order.getId());
            orderLogMapper.insertSelective( orderLog );
        }
    }

    //确认收货
    @Override
    public void take(String orderId, String operator) {
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if (order==null){
            throw new RuntimeException( "订单不存在" );
        }
        if( !"1".equals( order.getConsignStatus() )){
            throw new RuntimeException( "订单未发货" );
        }
        order.setConsignStatus("2"); //已送达
        order.setOrderStatus( "3" );//已完成
        order.setUpdateTime( new Date() );
        order.setEndTime( new Date() );//交易结束
        orderMapper.updateByPrimaryKeySelective( order );
        //记录订单变动日志
        OrderLog orderLog=new OrderLog();
        orderLog.setId( idWorker.nextId()+"" );
        orderLog.setOperateTime(new Date());//当前日期
        orderLog.setOperater( operator );//系统？管理员？用户？
        orderLog.setOrderStatus("3");
        orderLog.setOrderId(order.getId());
        orderLogMapper.insertSelective(orderLog);
    }

    //自动收货确认
    @Override
    @Transactional
    public void autoTack() {
        //读取订单配置信息
        OrderConfig orderConfig = orderConfigMapper.selectByPrimaryKey(1);
        //获得时间节点
        LocalDate now = LocalDate.now();//当前日期
        //获取过期的时间节点，在这个日期前发货的未收货订单都
        LocalDate date =now.plusDays(-orderConfig.getTakeTimeout());
        System.out.println(date);
        //按条件查询过期订单
        Example example=new Example( Order.class );
        Example.Criteria criteria = example.createCriteria();
        criteria.andLessThan( "consignTime", date);
        criteria.andEqualTo( "orderStatus","2" );

        List<Order> orders = orderMapper.selectByExample(example);
        for(Order order:orders){
            System.out.println("过期订单："+order.getId()+" "+order.getConsignStatus());
            take(order.getId(),"system" );
        }
    }

    /**
     * 构建查询对象
     *
     * @param searchMap
     * @return
     */
    private Example createExample(Map<String, Object> searchMap) {
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        if (searchMap != null) {
            // 订单id
            if (searchMap.get("id") != null && !"".equals(searchMap.get("id"))) {
                criteria.andEqualTo("id", searchMap.get("id"));
            }
            // 支付类型，1、在线支付、0 货到付款
            if (searchMap.get("payType") != null && !"".equals(searchMap.get("payType"))) {
                criteria.andEqualTo("payType", searchMap.get("payType"));
            }
            // 物流名称
            if (searchMap.get("shippingName") != null && !"".equals(searchMap.get("shippingName"))) {
                criteria.andLike("shippingName", "%" + searchMap.get("shippingName") + "%");
            }
            // 物流单号
            if (searchMap.get("shippingCode") != null && !"".equals(searchMap.get("shippingCode"))) {
                criteria.andLike("shippingCode", "%" + searchMap.get("shippingCode") + "%");
            }
            // 用户名称
            if (searchMap.get("username") != null && !"".equals(searchMap.get("username"))) {
                criteria.andLike("username", "%" + searchMap.get("username") + "%");
            }
            // 买家留言
            if (searchMap.get("buyerMessage") != null && !"".equals(searchMap.get("buyerMessage"))) {
                criteria.andLike("buyerMessage", "%" + searchMap.get("buyerMessage") + "%");
            }
            // 是否评价
            if (searchMap.get("buyerRate") != null && !"".equals(searchMap.get("buyerRate"))) {
                criteria.andLike("buyerRate", "%" + searchMap.get("buyerRate") + "%");
            }
            // 收货人
            if (searchMap.get("receiverContact") != null && !"".equals(searchMap.get("receiverContact"))) {
                criteria.andLike("receiverContact", "%" + searchMap.get("receiverContact") + "%");
            }
            // 收货人手机
            if (searchMap.get("receiverMobile") != null && !"".equals(searchMap.get("receiverMobile"))) {
                criteria.andLike("receiverMobile", "%" + searchMap.get("receiverMobile") + "%");
            }
            // 收货人地址
            if (searchMap.get("receiverAddress") != null && !"".equals(searchMap.get("receiverAddress"))) {
                criteria.andLike("receiverAddress", "%" + searchMap.get("receiverAddress") + "%");
            }
            // 订单来源：1:web，2：app，3：微信公众号，4：微信小程序  5 H5手机页面
            if (searchMap.get("sourceType") != null && !"".equals(searchMap.get("sourceType"))) {
                criteria.andEqualTo("sourceType", searchMap.get("sourceType"));
            }
            // 交易流水号
            if (searchMap.get("transactionId") != null && !"".equals(searchMap.get("transactionId"))) {
                criteria.andLike("transactionId", "%" + searchMap.get("transactionId") + "%");
            }
            // 订单状态
            if (searchMap.get("orderStatus") != null && !"".equals(searchMap.get("orderStatus"))) {
                criteria.andEqualTo("orderStatus", searchMap.get("orderStatus"));
            }
            // 支付状态
            if (searchMap.get("payStatus") != null && !"".equals(searchMap.get("payStatus"))) {
                criteria.andEqualTo("payStatus", searchMap.get("payStatus"));
            }
            // 发货状态
            if (searchMap.get("consignStatus") != null && !"".equals(searchMap.get("consignStatus"))) {
                criteria.andEqualTo("consignStatus", searchMap.get("consignStatus"));
            }
            // 是否删除
            if (searchMap.get("isDelete") != null && !"".equals(searchMap.get("isDelete"))) {
                criteria.andEqualTo("isDelete", searchMap.get("isDelete"));
            }

            // 数量合计
            if (searchMap.get("totalNum") != null) {
                criteria.andEqualTo("totalNum", searchMap.get("totalNum"));
            }
            // 金额合计
            if (searchMap.get("totalMoney") != null) {
                criteria.andEqualTo("totalMoney", searchMap.get("totalMoney"));
            }
            // 优惠金额
            if (searchMap.get("preMoney") != null) {
                criteria.andEqualTo("preMoney", searchMap.get("preMoney"));
            }
            // 邮费
            if (searchMap.get("postFee") != null) {
                criteria.andEqualTo("postFee", searchMap.get("postFee"));
            }
            // 实付金额
            if (searchMap.get("payMoney") != null) {
                criteria.andEqualTo("payMoney", searchMap.get("payMoney"));
            }

        }
        return example;
    }

}
